Happy Friday!

The guard at the Pine Street gate greets you with a "Happy Friday" after checking your Fermilab ID. The greeting always cheers the photographer. (The photographer was sure to keep her distance while taking the photo.) people Photo: Marguerite Tonjes

The guard at the Pine Street gate greets you with a “Happy Friday” after checking your Fermilab ID. The greeting always cheers the photographer. (The photographer was sure to keep her distance while taking the photo.) Photo: Marguerite Tonjes